Home / 7,922.95-10,942.86-5,265.75

Finding the Fourth Proportional to 7,922.95, 10,942.86 and 5,265.75

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Solution

The fourth proportional to 7,922.95, 10,942.86 and 5,265.75 is: 7,272.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.95 : 10,942.86 = 5,265.75 : x
  2. Step 2: Convert to fraction form
    7,922.95/10,942.86 = 5,265.75/x
  3. Step 3: Cross multiply
    7,922.95x = 10,942.86 × 5,265.75
  4. Step 4: Simplify right side
    7,922.95x = 57,622,365.05
  5. Step 5: Solve for x
    x = 57,622,365.05/7,922.95
  6. Step 6: Final answer
    x = 7,272.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.